Damn it, I can see the pics but it seems I have the album locked up, will get it sorted.

Well when riding from Picton to Port Underwood, at the saddle above the Port is a track off to the left that is the access track for the powerlines.
Plenty of sidetracks, easily accessable and frequently there are other trail riders/4x4s up there.

Trails lead out through the forestry and with the right set of keys, all the way to Tory Channel

Lots of the forestry roads are unlocked over that way anyway, and on weekends make a great ride handy to home.

Well it's been a while since I posted here, the bike was running real good with a daily commute of 70kms and some big rides around the toip of the South Island.

Then a few weeks back after having dinner with the Marlborough ADV lads and on the way home it developed a very noticable vibration in 6th gear about 5km from home.
Damn, changed down to 5th and it smoothed out again so I made my way home then parked the bike up for the night.

The next day I drained the oil and the filter was nearly clogged with filings.

I was surprised at how good the bore looked, the quality oils I've been feeding the beast seem to have been doing their job as there was absolutely no vertical scoring and even some cross hatching still:

Once I got to the flywheel I ran into a problem, I've never taken a flywheel off a bike engine and the service manual was not that clear.
So I got talking to Kiwibul who had offered to help.
I took the cases in to his cool workshop one night after work and he already had the right bolt out on the work bench ready.
10mins later the flywheel was off, damn that is easy when you know how.
A shine with a torch down the piston hole gave an inkling of the problem.
So we spent the next 45mins shooting the shit and checking out his VMX bikes.

Once some more stuff was pulled off, I was able to split the cases this evening and get to the heart of it:

Not sure if it relates but we used to see a lot of the old large truck transmissions do the large gear against small gear (pulling hard in overdrive) kinda failure.thanks for posting the rebuild,I'll be following the progress.

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I used to do drugs,I still do drugs,but I used to too!Mitch Hedburg